It’s likely that at this point you’ve seen some of the many news accounts of the Distributed Denial of Service (DDoS) attack Dyn sustained against their Managed DNS infrastructure this past Friday, October 21. Dyn has posted a postmortem detailing the attack and future prevention efforts.
Read More Here:
http://hub.dyn.com/dyn-blog/dyn-statement-on-10-21-2016-ddos-attack